<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			var age= 10
			var obj = {
				age : 15
			}
			
			function info(){
				console.log(this.age)
			}
			info()
			info.call(obj)
			
			
		</script>
	</body>
</html>